Hydrochloric acid is 38% by mass. If the density of solution is 1.19 g – InterviewSolution

1.	Hydrochloric acid is 38% by mass. If the density of solution is 1.19 gm cm3, then what will be the molarity of solution?
Answer» 38% by mass = 38 g HCl in 100 g solution 38 g HCl in 100/1.19 mL = 84 mL solution = 0.084 L . Molarity = \(\frac{38}{36.5}\) × \(\frac{1}{0.084}\) = 12.39 M. Thus, the molarity of solution is 12.39 M.

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